Year	per 1,000 people
1960	47.09
1961	46.586
1962	46.094
1963	46.186
1964	46.24
1965	45.942
1966	45.849
1967	45.713
1968	45.693
1969	45.633
1970	45.698
1971	45.764
1972	45.978
1973	46.126
1974	46.293
1975	46.383
1976	46.425
1977	46.041
1978	45.689
1979	45.147
1980	44.499
1981	43.684
1982	42.536
1983	41.451
1984	40.588
1985	39.817
1986	39.015
1987	37.793
1988	36.524
1989	35.304
1990	34.35
1991	33.512
1992	33.172
1993	32.808
1994	32.248
1995	31.042
1996	29.865
1997	29.115
1998	28.971
1999	28.885
2000	28.961
2001	28.906
2002	28.477
2003	28.178
2004	28.141
2005	28.404
2006	28.635
2007	28.563
2008	28.406
2009	28.175
2010	27.898
2011	27.596
2012	27.407
2013	27.097
2014	26.771
2015	26.409
2016	26.13
2017	25.672
2018	25.328
2019	24.887
2020	24.195
2021	23.576
2022	23.036